public byte[] ProcessChallenge(byte[] Challenge)
{
byte[] bytes;
RdpPacket packet = new RdpPacket();
this.m_ChallengeMsg = Challenge;
packet.Write(Challenge, 0, Challenge.Length);
packet.Position = 0L;
long position = packet.Position;
if (packet.ReadString(8) != "NTLMSSP\0")
{
throw new Exception("Invalid negotiation token!");
}
if (packet.ReadLittleEndian32() != 2)
{
throw new Exception("Expected challenge!");
}
int count = packet.ReadLittleEndian16();
packet.ReadLittleEndian16();
int num4 = packet.ReadLittleEndian32();
uint flags = (uint)packet.ReadLittleEndian32();
DumpFlags(flags);
byte[] buffer = new byte[8];
packet.Read(buffer, 0, 8);
DumpHex(buffer, buffer.Length, "Server Challenge");
byte[] buffer2 = new byte[8];
packet.Read(buffer2, 0, 8);
int num5 = packet.ReadLittleEndian16();
packet.ReadLittleEndian16();
int num6 = packet.ReadLittleEndian32();
if ((flags & 0x2000000) != 0)
{
byte[] buffer3 = new byte[8];
packet.Read(buffer3, 0, 8);
}
if ((flags & 0x20000000) == 0)
{
throw new Exception("Strong Encryption not supported by server");
}
byte[] buffer4 = null;
if (count > 0)
{
buffer4 = new byte[count];
packet.Position = position + num4;
packet.Read(buffer4, 0, count);
Encoding.Unicode.GetString(buffer4, 0, buffer4.Length);
}
AV_PAIRS av_pairs = new AV_PAIRS();
byte[] buffer5 = null;
if (num5 <= 0)
{
throw new Exception("No TargetInfo!");
}
packet.Position = position + num6;
buffer5 = new byte[num5];
packet.Read(buffer5, 0, num5);
packet = new RdpPacket();
packet.Write(buffer5, 0, buffer5.Length);
packet.Position = 0L;
av_pairs.Parse(packet);
buffer5 = av_pairs.Serialise();
byte[] data = nTOWFv2(this.m_sDomain, this.m_sUsername, this.m_sPassword);
if (Network.Logger != null)
{
if (Network.Logger.Reading)
{
data = this.m_Socket.GetBlob(PacketLogger.PacketType.NTLM_ResponseKeyNT);
}
else
{
this.m_Socket.AddBlob(PacketLogger.PacketType.NTLM_ResponseKeyNT, data);
}
}
byte[] blob = new byte[8];
RNGCryptoServiceProvider provider = new RNGCryptoServiceProvider();
provider.GetBytes(blob);
if (Network.Logger != null)
{
if (Network.Logger.Reading)
{
blob = this.m_Socket.GetBlob(PacketLogger.PacketType.NTLM_ClientChallenge);
}
else
{
this.m_Socket.AddBlob(PacketLogger.PacketType.NTLM_ClientChallenge, blob);
}
}
DumpHex(blob, blob.Length, "Client Challenge");
byte[] buffer8 = getLMv2Response(data, buffer, blob);
DumpHex(buffer8, buffer8.Length, "LM Response");
if (this.m_bNTLMv2)
{
Array.Clear(buffer8, 0, buffer8.Length);
}
bool bGenerateMIC = false;
if ((av_pairs.Timestamp.length <= 0) || !this.m_bNTLMv2)
{
bytes = BitConverter.GetBytes(DateTime.UtcNow.ToFileTimeUtc());
}
else
{
bytes = av_pairs.Timestamp.value;
bGenerateMIC = true;
av_pairs.ProcessForNTLMv2();
buffer5 = av_pairs.Serialise();
}
DumpHex(buffer5, buffer5.Length, "targetinfo");
byte[] keyExchangeKey = null;
byte[] buffer11 = getNTLMv2Response(data, buffer, blob, bytes, buffer5, out keyExchangeKey);
DumpHex(buffer11, buffer11.Length, "NTLMv2 Response");
if (Network.Logger != null)
{
if (Network.Logger.Reading)
{
keyExchangeKey = this.m_Socket.GetBlob(PacketLogger.PacketType.NTLM_KeyExchangeKey);
}
else
{
this.m_Socket.AddBlob(PacketLogger.PacketType.NTLM_KeyExchangeKey, keyExchangeKey);
}
}
byte[] encryptedRandomSessionKey = null;
byte[] buffer13 = null;
buffer13 = new byte[0x10];
provider.GetBytes(buffer13);
if (Network.Logger != null)
{
if (Network.Logger.Reading)
{
buffer13 = this.m_Socket.GetBlob(PacketLogger.PacketType.NTLM_ExportedSessionKey);
}
else
{
this.m_Socket.AddBlob(PacketLogger.PacketType.NTLM_ExportedSessionKey, buffer13);
}
}
encryptedRandomSessionKey = new byte[0x10];
RC4 rc = new RC4();
rc.engineInitEncrypt(keyExchangeKey);
encryptedRandomSessionKey = rc.crypt(buffer13);
if ((flags & 0x40000000) == 0)
{
encryptedRandomSessionKey = new byte[0];
buffer13 = keyExchangeKey;
}
this.InitSignKeys(buffer13);
return(this.Authenticate(buffer8, buffer11, this.m_sDomain, this.m_sUsername, this.m_sWorkstation, encryptedRandomSessionKey, buffer13, bGenerateMIC));
}
private static void process_bmpdata(RdpPacket data, int flags, int cache_id, int cache_idx, ulong persist_key)
{
RdpBitmap bitmap;
byte[] buffer;
int bpp = data.ReadByte();
data.ReadByte();
data.ReadByte();
int num2 = data.ReadByte();
int width = data.ReadLittleEndian16();
int height = data.ReadLittleEndian16();
int size = data.ReadLittleEndian32();
if (num2 == 1)
{
if (bpp == 1)
{
buffer = RdpBitmap.decompress(width, height, size, data, bpp);
if (buffer == null)
{
return;
}
bitmap = new RdpBitmap(buffer, width, height, bpp, 0, 0);
}
else
{
uint[] numArray = RdpBitmap.decompressInt(width, height, size, data, bpp);
if (numArray == null)
{
return;
}
bitmap = new RdpBitmap(numArray, width, height, bpp, 0, 0);
}
}
else
{
buffer = new byte[(width * height) * bpp];
for (int i = 0; i < height; i++)
{
data.Read(buffer, ((height - i) - 1) * (width * bpp), width * bpp);
}
if (bpp == 1)
{
bitmap = new RdpBitmap(buffer, width, height, bpp, 0, 0);
}
else
{
bitmap = new RdpBitmap(RdpBitmap.convertImage(buffer, bpp), width, height, bpp, 0, 0);
}
}
if (bitmap != null)
{
Cache.putBitmap(cache_id, cache_idx, bitmap, 0);
if ((flags & 0x100) != 0)
{
bitmap.PersistCache(persist_key);
Cache.m_BitmapCaches++;
}
}
}
private static void processGlyphIndex(RdpPacket data, int present, bool delta)
{
if ((present & 1) != 0)
{
Text2Order.Font = data.ReadByte();
}
if ((present & 2) != 0)
{
Text2Order.Flags = data.ReadByte();
}
if ((present & 4) != 0)
{
Text2Order.Opcode = data.ReadByte();
}
if ((present & 8) != 0)
{
Text2Order.Mixmode = data.ReadByte();
}
if ((present & 0x10) != 0)
{
Text2Order.ForegroundColor = setColor(data);
}
if ((present & 0x20) != 0)
{
Text2Order.BackgroundColor = setColor(data);
}
if ((present & 0x40) != 0)
{
Text2Order.ClipLeft = data.ReadLittleEndian16();
}
if ((present & 0x80) != 0)
{
Text2Order.ClipTop = data.ReadLittleEndian16();
}
if ((present & 0x100) != 0)
{
Text2Order.ClipRight = data.ReadLittleEndian16();
}
if ((present & 0x200) != 0)
{
Text2Order.ClipBottom = data.ReadLittleEndian16();
}
if ((present & 0x400) != 0)
{
Text2Order.BoxLeft = data.ReadLittleEndian16();
}
if ((present & 0x800) != 0)
{
Text2Order.BoxTop = data.ReadLittleEndian16();
}
if ((present & 0x1000) != 0)
{
Text2Order.BoxRight = data.ReadLittleEndian16();
}
if ((present & 0x2000) != 0)
{
Text2Order.BoxBottom = data.ReadLittleEndian16();
}
parseBrush(data, Text2Order.Brush, present >> 14);
if ((present & 0x80000) != 0)
{
Text2Order.X = data.ReadLittleEndian16();
}
if ((present & 0x100000) != 0)
{
Text2Order.Y = data.ReadLittleEndian16();
}
if ((present & 0x200000) != 0)
{
int num = data.ReadByte();
Text2Order.GlyphLength = num;
byte[] buffer = new byte[num];
data.Read(buffer, 0, buffer.Length);
Text2Order.GlyphIndices = buffer;
}
Text2Order.drawText();
}
internal static void processBitmapUpdates(RdpPacket data)
{
int num = 0;
int x = 0;
int y = 0;
int num4 = 0;
int num5 = 0;
int cx = 0;
int cy = 0;
int num8 = 0;
int num9 = 0;
int num10 = 0;
int num11 = 0;
int size = 0;
byte[] buffer = null;
num = data.ReadLittleEndian16();
for (int i = 0; i < num; i++)
{
x = data.ReadLittleEndian16();
y = data.ReadLittleEndian16();
num4 = data.ReadLittleEndian16();
num5 = data.ReadLittleEndian16();
cx = data.ReadLittleEndian16();
cy = data.ReadLittleEndian16();
int bpp = (data.ReadLittleEndian16() + 7) / 8;
num10 = data.ReadLittleEndian16();
num11 = data.ReadLittleEndian16();
num8 = (num4 - x) + 1;
num9 = (num5 - y) + 1;
if (num10 == 0)
{
buffer = new byte[(cx * cy) * bpp];
for (int j = 0; j < cy; j++)
{
data.Read(buffer, ((cy - j) - 1) * (cx * bpp), cx * bpp);
}
uint[] src = RdpBitmap.convertImage(buffer, bpp);
ChangedRect.Invalidate(x, y, cx, cy);
Options.Canvas.SetPixels(x, y, num8, num9, src, 0, 0, cx);
}
else
{
if ((num10 & 0x400) != 0)
{
size = num11;
}
else
{
data.Position += 2L;
size = data.ReadLittleEndian16();
data.Position += 4L;
}
if (bpp == 1)
{
buffer = RdpBitmap.decompress(cx, cy, size, data, bpp);
ChangedRect.Invalidate(x, y, num8, num9);
for (int k = 0; k < num9; k++)
{
int index = k * cx;
int num18 = 0;
while (num18 < num8)
{
int num19 = buffer[index];
Options.Canvas.SetPixel(x + num18, y + k, RdpBitmap.convertFrom8bit(num19));
num18++;
index++;
}
}
}
else
{
uint[] numArray2 = RdpBitmap.decompressInt(cx, cy, size, data, bpp);
ChangedRect.Invalidate(x, y, num8, num9);
Options.Canvas.SetPixels(x, y, num8, num9, numArray2, 0, 0, cx);
}
}
}
}
private static void processTriBlt(RdpPacket data, int present, bool delta)
{
if ((present & 1) != 0)
{
TriBltOrder.CacheID = data.ReadByte();
TriBltOrder.ColorTable = data.ReadByte();
}
if ((present & 2) != 0)
{
TriBltOrder.X = setCoordinate(data, TriBltOrder.X, delta);
}
if ((present & 4) != 0)
{
TriBltOrder.Y = setCoordinate(data, TriBltOrder.Y, delta);
}
if ((present & 8) != 0)
{
TriBltOrder.CX = setCoordinate(data, TriBltOrder.CX, delta);
}
if ((present & 0x10) != 0)
{
TriBltOrder.CY = setCoordinate(data, TriBltOrder.CY, delta);
}
if ((present & 0x20) != 0)
{
TriBltOrder.Opcode = data.ReadByte();
}
if ((present & 0x40) != 0)
{
TriBltOrder.SrcX = setCoordinate(data, TriBltOrder.SrcX, delta);
}
if ((present & 0x80) != 0)
{
TriBltOrder.SrcY = setCoordinate(data, TriBltOrder.SrcY, delta);
}
if ((present & 0x100) != 0)
{
TriBltOrder.BackgroundColor = setColor(data);
}
if ((present & 0x200) != 0)
{
TriBltOrder.ForegroundColor = setColor(data);
}
parseBrush(data, TriBltOrder.Brush, present >> 10);
if ((present & 0x8000) != 0)
{
TriBltOrder.CacheIDX = data.ReadLittleEndian16();
}
if ((present & 0x10000) != 0)
{
TriBltOrder.Unknown = data.ReadLittleEndian16();
}
TriBltOrder.drawTriBltOrder();
}
/// <summary>
/// Client MCS Connect Initial PDU
/// Part 2
///
/// Create packet
/// </summary>
internal static RdpPacket sendMcsData(bool useRdp5, int num_channels, int serverSelectedProtocol)
{
RdpPacket packet = new RdpPacket();
// Проверка длины Client Name
string clientName = Options.ClientName;
if (clientName.Length > 15)
{
clientName = clientName.Substring(0, 15);
}
int num = 2 * clientName.Length;
int num2 = 0x9e;
if (useRdp5)
{
num2 += 0x60;
}
if (useRdp5 && (num_channels > 0))
{
num2 += (num_channels * 12) + 8;
}
if (Options.serverNegotiateFlags.HasFlag(NegotiationFlags.EXTENDED_CLIENT_DATA_SUPPORTED))
{
num2 += 8;
}
packet.WriteBigEndian16((short)5);
packet.WriteBigEndian16((short)20);
packet.WriteByte(0x7c);
packet.WriteBigEndian16((short)1);
packet.WriteBigEndian16((short)(num2 | 0x8000));
packet.WriteBigEndian16((short)8);
packet.WriteBigEndian16((short)0x10);
packet.WriteByte(0);
packet.WriteLittleEndian16((ushort)0xc001);
packet.WriteByte(0);
packet.WriteLittleEndian32(0x61637544);
packet.WriteBigEndian16((short)((num2 - 14) | 0x8000));
// Client Core Data (TS_UD_CS_CORE)
packet.WriteLittleEndian16((ushort)CLIENT.CS_CORE);
packet.WriteLittleEndian16(useRdp5 ? ((short)0xd8) : ((short)0x88));
packet.WriteLittleEndian16(useRdp5 ? ((short)4) : ((short)1));
packet.WriteLittleEndian16((short)8);
packet.WriteLittleEndian16((short)Options.width); // Width
packet.WriteLittleEndian16((short)Options.height); // Height
packet.WriteLittleEndian16((ushort)0xca01);
packet.WriteLittleEndian16((ushort)0xaa03);
packet.WriteLittleEndian32(Options.Keyboard); // Клавиатура
packet.WriteLittleEndian32(useRdp5 ? 0xa28 : 0x1a3); // Client Build
packet.WriteUnicodeString(clientName); // Client Name
packet.Position += 30 - num;
packet.WriteLittleEndian32(0x00000004); // IBM enhanced (101- or 102-key) keyboard
packet.WriteLittleEndian32(0);
packet.WriteLittleEndian32(12); // Функциональные клавиши (F1-F12)
packet.Position += 0x40L;
packet.WriteLittleEndian16((ushort)0xCA01); // NS_UD_COLOR_8BPP
packet.WriteLittleEndian16(useRdp5 ? ((short)1) : ((short)0));
if (useRdp5)
{
packet.WriteLittleEndian32(0);
packet.WriteLittleEndian16((short)((byte)Options.server_bpp));
packet.WriteLittleEndian16((short)7);
packet.WriteLittleEndian16((short)1);
packet.Position += 0x40L;
packet.WriteByte(0);
packet.WriteByte(0);
packet.WriteLittleEndian32(serverSelectedProtocol);
// Client Cluster Data (TS_UD_CS_CLUSTER)
packet.WriteLittleEndian16((ushort)CLIENT.CS_CLUSTER);
packet.WriteLittleEndian16((short)12);
int num3 = 13;
if (Options.flags.HasFlag(HostFlags.ConsoleSession) || (Options.sessionID != 0))
{
num3 |= 2;
}
packet.WriteLittleEndian32(num3);
packet.WriteLittleEndian32(Options.sessionID);
}
// Client Security Data (TS_UD_CS_SEC)
packet.WriteLittleEndian16((ushort)CLIENT.CS_SECURITY);
packet.WriteLittleEndian16(useRdp5 ? ((short)12) : ((short)8));
int num4 = 0;
if (serverSelectedProtocol == 0)
{
num4 |= 3;
}
packet.WriteLittleEndian32(num4);
if (useRdp5)
{
packet.WriteLittleEndian32(0);
}
// Client Network Data (TS_UD_CS_NET)
if (useRdp5 && (num_channels > 0))
{
packet.WriteLittleEndian16((ushort)CLIENT.CS_NET);
packet.WriteLittleEndian16((short)((num_channels * 12) + 8));
packet.WriteLittleEndian32(num_channels);
foreach (IVirtualChannel channel in Channels.RegisteredChannels)
{
Debug.WriteLine("Client Network Data. Channel name length: " + channel.ChannelName.Length);
packet.WriteString(channel.ChannelName, false);
packet.WriteBigEndian32((uint)(CHANNEL_DEF.CHANNEL_OPTION_INITIALIZED));
}
}
// Client Message Channel Data (TS_UD_CS_MCS_MSGCHANNEL)
if (Options.serverNegotiateFlags.HasFlag(NegotiationFlags.EXTENDED_CLIENT_DATA_SUPPORTED))
{
packet.WriteLittleEndian16((ushort)CLIENT.CS_MCS_MSGCHANNEL);
packet.WriteLittleEndian16((short)8);
packet.WriteLittleEndian32(0);
}
return(packet);
}
public void channel_process(RdpPacket data)
{
byte[] buffer = new byte[2];
data.Read(buffer, 0, 2);
var num = (MsgType)BitConverter.ToUInt16(buffer, 0);
Debug.WriteLine(num);
// Проверка, загружен ли файл
if (!IsFileLoaded)
{
return;
}
switch (num)
{
case MsgType.CB_MONITOR_READY:
serverMonitorReady(data);
clientClipboardCapabilities();
//clientTemporaryDirectory();
clientFormatList();
break;
case MsgType.CB_FORMAT_LIST:
break;
case MsgType.CB_FORMAT_LIST_RESPONSE:
serverFormatListResponse(data);
break;
case MsgType.CB_FORMAT_DATA_REQUEST:
serverFormatDataRequest(data);
clientFormatDataResponse();
break;
case MsgType.CB_FORMAT_DATA_RESPONSE:
break;
case MsgType.CB_TEMP_DIRECTORY:
break;
case MsgType.CB_CLIP_CAPS:
serverClipboardCapabilities(data);
break;
case MsgType.CB_FILECONTENTS_REQUEST:
serverFileContentsRequest(data);
clientFileContentsResponse();
break;
case MsgType.CB_FILECONTENTS_RESPONSE:
break;
case MsgType.CB_LOCK_CLIPDATA:
break;
case MsgType.CB_UNLOCK_CLIPDATA:
break;
default:
break;
}
}
public void Append(RdpPacket value)
{
byte[] buffer = new byte[value.Length - value.Position];
value.Read(buffer, 0, buffer.Length);
this.Write(buffer, 0, buffer.Length);
}
public void channel_process(RdpPacket data)
{
Debug.WriteLine("Channel SOUND!");
}
public void channel_process(RdpPacket data)
{
}
internal static int parseCryptInfo(RdpPacket data)
{
int num2, num3, num4, num5, num6, num7, num8 = 0;
num7 = data.ReadLittleEndian32(); // ENCRYPTION_METHOD
num8 = data.ReadLittleEndian32(); // ENCRYPTION_LEVEL
//System.Windows.Forms.MessageBox.Show(
// "Encryption Method : " + ((MCS.EncryptionMethod)num7).ToString() +
// "\r\nEncryption Level: " + ((MCS.EncryptionLevel)num8).ToString());
if (num8 == 0)
{
if (!Network.SSLConnection)
{
throw new RDFatalException("Server does not support encrypted connections!");
}
return(0);
}
int count = data.ReadLittleEndian32();
num2 = data.ReadLittleEndian32();
if (count != 0x20)
{
string[] strArray = new string[] { "Wrong size of random key size! Accepted ", count.ToString(), " but ", 0x20.ToString(), "!" };
throw new RDFatalException(string.Concat(strArray));
}
m_Server_Random = new byte[count];
data.Read(m_Server_Random, 0, count);
num6 = ((int)data.Position) + num2;
if (num6 > data.Length)
{
throw new RDFatalException("Crypt Info too short!");
}
if ((data.ReadLittleEndian32() & 1) != 0)
{
data.Position += 8L;
while (data.Position < data.Length)
{
num3 = data.ReadLittleEndian16();
num4 = data.ReadLittleEndian16();
num5 = ((int)data.Position) + num4;
switch (num3)
{
case 6:
if (parsePublicKey(data))
{
break;
}
return(0);
}
data.Position = num5;
}
return(num7);
}
int num9 = data.ReadLittleEndian32();
int num10 = 0;
if (num9 < 2)
{
throw new RDFatalException("Illegal number of certificates " + num9.ToString());
}
while (num9 > 2)
{
num10 = data.ReadLittleEndian32();
data.Position += num10;
num9--;
}
byte[] buffer = new byte[data.ReadLittleEndian32()];
data.Read(buffer, 0, buffer.Length);
X509Certificate certificate = new X509Certificate(buffer);
m_Server_Public_Key = new byte[Main.SecureValue1];
Array.Copy(certificate.GetPublicKey(), 5, m_Server_Public_Key, 0, Main.SecureValue1);
byte[] buffer2 = new byte[data.ReadLittleEndian32()];
data.Read(buffer2, 0, buffer2.Length);
X509Certificate certificate2 = new X509Certificate(buffer2);
m_Server_Public_Key = new byte[Main.SecureValue1];
Array.Copy(certificate2.GetPublicKey(), 5, m_Server_Public_Key, 0, Main.SecureValue1);
readCert = true;
return(num7);
}
public byte[] Serialise()
{
RdpPacket packet = new RdpPacket();
if (this.NbDomainName.length > 0)
{
packet.WriteLittleEndian16((short)2);
packet.WriteLittleEndian16((short)this.NbDomainName.length);
packet.Write(this.NbDomainName.value, 0, this.NbDomainName.length);
}
if (this.NbComputerName.length > 0)
{
packet.WriteLittleEndian16((short)1);
packet.WriteLittleEndian16((short)this.NbComputerName.length);
packet.Write(this.NbComputerName.value, 0, this.NbComputerName.length);
}
if (this.DnsDomainName.length > 0)
{
packet.WriteLittleEndian16((short)4);
packet.WriteLittleEndian16((short)this.DnsDomainName.length);
packet.Write(this.DnsDomainName.value, 0, this.DnsDomainName.length);
}
if (this.DnsComputerName.length > 0)
{
packet.WriteLittleEndian16((short)3);
packet.WriteLittleEndian16((short)this.DnsComputerName.length);
packet.Write(this.DnsComputerName.value, 0, this.DnsComputerName.length);
}
if (this.DnsTreeName.length > 0)
{
packet.WriteLittleEndian16((short)5);
packet.WriteLittleEndian16((short)this.DnsTreeName.length);
packet.Write(this.DnsTreeName.value, 0, this.DnsTreeName.length);
}
if (this.Timestamp.length > 0)
{
packet.WriteLittleEndian16((short)7);
packet.WriteLittleEndian16((short)this.Timestamp.length);
packet.Write(this.Timestamp.value, 0, this.Timestamp.length);
}
if (this.Flags != 0)
{
packet.WriteLittleEndian16((short)6);
packet.WriteLittleEndian16((short)4);
packet.WriteLittleEndian32(this.Flags);
}
if (this.Restrictions.length > 0)
{
packet.WriteLittleEndian16((short)8);
packet.WriteLittleEndian16((short)this.Restrictions.length);
packet.Write(this.Restrictions.value, 0, this.Restrictions.length);
}
if (this.ChannelBindings.length > 0)
{
packet.WriteLittleEndian16((short)10);
packet.WriteLittleEndian16((short)this.ChannelBindings.length);
packet.Write(this.ChannelBindings.value, 0, this.ChannelBindings.length);
}
if (this.TargetName.value != null)
{
packet.WriteLittleEndian16((short)9);
packet.WriteLittleEndian16((short)this.TargetName.length);
packet.Write(this.TargetName.value, 0, this.TargetName.length);
}
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WritePadding(8);
byte[] buffer = new byte[packet.Length];
packet.Position = 0L;
packet.Read(buffer, 0, buffer.Length);
return(buffer);
}
public void Parse(RdpPacket packet)
{
NTLM.AV_ID av_id;
byte[] buffer = null;
do
{
av_id = (NTLM.AV_ID)packet.ReadLittleEndian16();
int count = packet.ReadLittleEndian16();
if (count > 0)
{
if (av_id != NTLM.AV_ID.MsvAvFlags)
{
buffer = new byte[count];
packet.Read(buffer, 0, count);
}
else
{
this.Flags = packet.ReadLittleEndian32();
}
}
switch (av_id)
{
case NTLM.AV_ID.MsvAvNbComputerName:
this.NbComputerName.length = count;
this.NbComputerName.value = buffer;
this.sNbComputerName = Encoding.Unicode.GetString(this.NbComputerName.value, 0, this.NbComputerName.value.Length);
break;
case NTLM.AV_ID.MsvAvNbDomainName:
this.NbDomainName.length = count;
this.NbDomainName.value = buffer;
this.sNbDomainName = Encoding.Unicode.GetString(this.NbDomainName.value, 0, this.NbDomainName.value.Length);
break;
case NTLM.AV_ID.MsvAvDnsComputerName:
this.DnsComputerName.length = count;
this.DnsComputerName.value = buffer;
this.sDnsComputerName = Encoding.Unicode.GetString(this.DnsComputerName.value, 0, this.DnsComputerName.value.Length);
break;
case NTLM.AV_ID.MsvAvDnsDomainName:
this.DnsDomainName.length = count;
this.DnsDomainName.value = buffer;
this.sDnsDomainName = Encoding.Unicode.GetString(this.DnsDomainName.value, 0, this.DnsDomainName.value.Length);
break;
case NTLM.AV_ID.MsvAvDnsTreeName:
this.DnsTreeName.length = count;
this.DnsTreeName.value = buffer;
break;
case NTLM.AV_ID.MsvAvTimestamp:
this.Timestamp.length = count;
this.Timestamp.value = buffer;
break;
case NTLM.AV_ID.MsvAvRestrictions:
this.Restrictions.length = count;
this.Restrictions.value = buffer;
break;
case NTLM.AV_ID.MsvAvTargetName:
this.TargetName.length = count;
this.TargetName.value = buffer;
break;
case NTLM.AV_ID.MsvChannelBindings:
this.ChannelBindings.length = count;
this.ChannelBindings.value = buffer;
break;
}
}while (av_id != NTLM.AV_ID.MsvAvEOL);
}
private byte[] Authenticate(byte[] lmChallengeResponse, byte[] ntChallengeResponse, string sDomainName, string sUser, string sWorkstation, byte[] EncryptedRandomSessionKey, byte[] ExportedSessionKey, bool bGenerateMIC)
{
RdpPacket packet = new RdpPacket();
uint flags = (
(((((0xe2800000 | NTLMSSP_NEGOTIATE_EXTENDED_SESSION_SECURITY) |
NTLMSSP_NEGOTIATE_ALWAYS_SIGN) | NTLMSSP_NEGOTIATE_NTLM) |
NTLMSSP_NEGOTIATE_SEAL) | NTLMSSP_NEGOTIATE_SIGN) |
NTLMSSP_REQUEST_TARGET) | NTLMSSP_NEGOTIATE_UNICODE;
DumpFlags(flags);
int position = (int)packet.Position;
packet.WriteString("NTLMSSP", false);
packet.WriteByte(0);
packet.WriteLittleEndian32(3);
int num3 = ((int)packet.Position) - position;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 4;
if ((flags & 0x2000000) != 0)
{
num3 += 8;
}
if (bGenerateMIC)
{
num3 += 0x10;
}
byte[] bytes = Encoding.Unicode.GetBytes(sDomainName);
byte[] buffer = Encoding.Unicode.GetBytes(sUser);
byte[] buffer3 = Encoding.Unicode.GetBytes(sWorkstation);
int num4 = num3;
int num5 = num4 + bytes.Length;
int num6 = num5 + buffer.Length;
int num7 = num6 + buffer3.Length;
int num8 = num7 + lmChallengeResponse.Length;
int num9 = num8 + ntChallengeResponse.Length;
packet.WriteLittleEndian16((ushort)lmChallengeResponse.Length);
packet.WriteLittleEndian16((ushort)lmChallengeResponse.Length);
packet.WriteLittleEndian32(num7);
num3 += lmChallengeResponse.Length;
packet.WriteLittleEndian16((ushort)ntChallengeResponse.Length);
packet.WriteLittleEndian16((ushort)ntChallengeResponse.Length);
packet.WriteLittleEndian32(num8);
num3 += ntChallengeResponse.Length;
packet.WriteLittleEndian16((ushort)bytes.Length);
packet.WriteLittleEndian16((ushort)bytes.Length);
packet.WriteLittleEndian32(num4);
num3 += bytes.Length;
packet.WriteLittleEndian16((ushort)buffer.Length);
packet.WriteLittleEndian16((ushort)buffer.Length);
packet.WriteLittleEndian32(num5);
num3 += buffer.Length;
packet.WriteLittleEndian16((ushort)buffer3.Length);
packet.WriteLittleEndian16((ushort)buffer3.Length);
packet.WriteLittleEndian32(num6);
num3 += buffer3.Length;
packet.WriteLittleEndian16((ushort)EncryptedRandomSessionKey.Length);
packet.WriteLittleEndian16((ushort)EncryptedRandomSessionKey.Length);
packet.WriteLittleEndian32(num9);
num3 += EncryptedRandomSessionKey.Length;
packet.WriteLittleEndian32(flags);
if ((flags & 0x2000000) != 0)
{
this.WriteVersion(packet);
}
long num10 = packet.Position;
if (bGenerateMIC)
{
packet.WritePadding(0x10);
}
packet.Write(bytes, 0, bytes.Length);
packet.Write(buffer, 0, buffer.Length);
packet.Write(buffer3, 0, buffer3.Length);
packet.Write(lmChallengeResponse, 0, lmChallengeResponse.Length);
packet.Write(ntChallengeResponse, 0, ntChallengeResponse.Length);
packet.Write(EncryptedRandomSessionKey, 0, EncryptedRandomSessionKey.Length);
if (bGenerateMIC)
{
packet.Position = 0L;
byte[] buffer4 = new byte[packet.Length];
packet.Read(buffer4, 0, buffer4.Length);
HMACT64 hmact = new HMACT64(ExportedSessionKey);
hmact.update(this.m_NegotiateMsg);
hmact.update(this.m_ChallengeMsg);
hmact.update(buffer4);
byte[] buffer5 = hmact.digest();
packet.Position = num10;
packet.Write(buffer5, 0, buffer5.Length);
}
packet.Position = 0L;
byte[] buffer6 = new byte[packet.Length];
packet.Read(buffer6, 0, buffer6.Length);
return(buffer6);
}
private static void sendPersistKeyList()
{
int num = 0;
int num2 = 0;
int num3 = 0;
int num4 = 0;
int num5 = 0;
int num6 = 0;
int num7 = 0;
int num8 = 0;
int num9 = 0;
int num10 = 0;
Cache.TotalBitmapCache(out num, out num2, out num3, out num4, out num5);
int offset = 0;
while ((((num6 < num) || (num7 < num2)) || ((num8 < num3) || (num9 < num4))) || (num10 < num5))
{
int num12 = 0;
int num13 = 0;
int num14 = 0;
int num15 = 0;
int num16 = 0;
bool bMoreKeys = false;
List <ulong> list = Cache.GetBitmapCache(offset, 0xff, out num12, out num13, out num14, out num15, out num16, out bMoreKeys);
RdpPacket packet = new RdpPacket();
packet.WriteLittleEndian16((ushort)num12);
packet.WriteLittleEndian16((ushort)num13);
packet.WriteLittleEndian16((ushort)num14);
packet.WriteLittleEndian16((ushort)num15);
packet.WriteLittleEndian16((ushort)num16);
packet.WriteLittleEndian16((ushort)num);
packet.WriteLittleEndian16((ushort)num2);
packet.WriteLittleEndian16((ushort)num3);
packet.WriteLittleEndian16((ushort)num4);
packet.WriteLittleEndian16((ushort)num5);
byte num17 = 0;
if (offset == 0)
{
num17 = (byte)(num17 | 1);
}
if (!bMoreKeys)
{
num17 = (byte)(num17 | 2);
}
packet.WriteByte(num17);
packet.WriteByte(0);
packet.WriteLittleEndian16((short)0);
foreach (ulong num18 in list)
{
packet.Write(BitConverter.GetBytes(num18), 0, 8);
}
IsoLayer.SendPDU(packet, IsoLayer.PDUType2.PDUTYPE2_BITMAPCACHE_PERSISTENT_LIST, Secure.RDPEncrypted() ? (int)(MCS.TS_SECURITY_HEADER.SEC_ENCRYPT) : 0);
offset += list.Count;
num6 += num12;
num7 += num13;
num8 += num14;
num9 += num15;
num10 += num16;
}
}
internal static RdpPacket ReceiveTPKTOrFastPath(out int type)
{
int num = 0;
int num2 = 0;
RdpPacket p = Tcp_recv(null, 4);
p.Position = 0L;
if (p.Length == 0L)
{
type = -1;
return(null);
}
num2 = p.ReadByte();
if (num2 == 3)
{
p.ReadByte();
num = p.ReadBigEndian16();
type = 0;
}
else
{
num = p.ReadByte();
if ((num & Main.SecureValue5) != 0)
{
num &= -129;
num = (num << 8) + p.ReadByte();
}
var flags = (FastPath_EncryptionFlags)(num2 >> 6);
if (flags.HasFlag(FastPath_EncryptionFlags.FASTPATH_OUTPUT_ENCRYPTED))
{
type = 0xfe;
}
else
{
type = 0xff;
}
}
long position = p.Position;
p.Position = 4L;
p = Tcp_recv(p, num - Main.SecureValue6);
p.Position = position;
if ((type != 0xff) && (type != 0xfe))
{
p.Position = 4L;
p.ReadByte();
type = p.ReadByte();
if (type == 240)
{
p.ReadByte();
return(p);
}
p.ReadBigEndian16();
p.ReadBigEndian16();
p.ReadByte();
}
return(p);
}
/// <summary>
/// Negotiation Start
/// </summary>
/// <param name="loadBalanceToken">null</param>
/// <param name="bAutoReconnect">false</param>
internal static void sendСonnectionRequest(byte[] loadBalanceToken, bool bAutoReconnect)
{
int num;
Secure.dec_count = 0;
Secure.enc_count = 0;
Network.ConnectionStage = Network.eConnectionStage.Negotiating;
if (Options.enableNLA)
{
// Client X.224 Connection Request PDU
sendConnectNegotiation(
NegotiationProtocol.PROTOCOL_RDP |
NegotiationProtocol.PROTOCOL_SSL |
NegotiationProtocol.PROTOCOL_HYBRID,
loadBalanceToken);
// Server X.224 Connection Confirm PDU
num = receiveConnectNegotiation();
if (num == Main.SecureValue3) // SSL подключение запрещено настройками сервера
{
Network.Close();
Network.Connect(Options.Host, Options.Port);
// Client X.224 Connection Request PDU
sendConnectNegotiation(NegotiationProtocol.PROTOCOL_RDP, loadBalanceToken);
// Server X.224 Connection Confirm PDU
num = receiveConnectNegotiation();
if (num != 0)
{
throw new RDFatalException("Security negotiation failed!");
}
}
else // SSL подключение разрешено
{
if (((num & 1) != 0) || ((num & 2) != 0))
{
Network.ConnectionStage = Network.eConnectionStage.Securing;
Network.ConnectSSL();
}
if ((num & 2) != 0)
{
Network.ConnectionStage = Network.eConnectionStage.Authenticating;
CredSSP.Negotiate(Network.GetSSLPublicKey());
}
}
}
else
{
// Client X.224 Connection Request PDU
sendConnectNegotiation(NegotiationProtocol.PROTOCOL_RDP, loadBalanceToken);
// Server X.224 Connection Confirm PDU
num = receiveConnectNegotiation();
if (num != 0)
{
throw new RDFatalException("Security negotiation failed!");
}
}
Network.ConnectionStage = Network.eConnectionStage.Establishing;
// Client MCS Connect Initial PDU
IsoLayer.SendTPKT(sendConnectInitial(sendMcsData(true, Channels.RegisteredChannels.Count, num)));
// Server MCS Connect Response PDU with GCC Conference Create Response
receiveConnectResponse();
// Client MCS Erect Domain Request PDU
send_ErectDomainRequest();
// Client MCS Attach User Request PDU
send_AttachUserRequest();
// Server MCS Attach User Confirm PDU
McsUserID = receive_AttachUserConfirm();
// Open User channel
send_ChannelJoinRequest(McsUserID + MCS_USERCHANNEL_BASE); // Client MCS Channel Join Request PDU
receive_ChannelJoinConfirm(); // Server MCS Channel Join Confirm PDU
// Open Global channel
send_ChannelJoinRequest(MSC_GLOBAL_CHANNEL);
receive_ChannelJoinConfirm();
// Open over channels
foreach (var channel in Channels.RegisteredChannels)
{
if (serverSupportedChannels.Contains(channel.ChannelID))
{
send_ChannelJoinRequest(channel.ChannelID);
receive_ChannelJoinConfirm();
Debug.WriteLine("Client open over channel: " + channel.ChannelID.ToString());
}
}
int num2 = 0x40;
if (Secure.RDPEncrypted())
{
Network.ConnectionStage = Network.eConnectionStage.SecureAndLogin;
RdpPacket packet = Secure.establishKey();
packet.Position = 0L;
IsoLayer.SendMCS(packet, MSC_GLOBAL_CHANNEL);
num2 |= 8;
}
else
{
Network.ConnectionStage = Network.eConnectionStage.Login;
}
// Client Info PDU
IsoLayer.SendToGlobalChannel(getLoginInfo(Options.Domain, Options.Username, Options.Password, "", "", bAutoReconnect), num2);
}
internal static void SendToGlobalChannel(RdpPacket sec_data, int sec_flags)
{
SendToCannel(sec_data, sec_flags, MCS.MSC_GLOBAL_CHANNEL);
}
/// <summary>
/// Client Info PDU
/// </summary>
private static RdpPacket getLoginInfo(string domain, string username, string password, string command, string directory, bool bAutoReconnect)
{
int num1 = 2 * "127.0.0.1".Length;
int num2 = 2 * @"C:\WINNT\System32\mstscax.dll".Length;
int num3 = 2 * domain.Length;
int num4 = 2 * username.Length;
int num5 = 2 * password.Length;
int num6 = 2 * command.Length;
int num7 = 2 * directory.Length;
//int num8 = 0x213b;
int num8 = (int)(
ClientInfoFlags.INFO_AUTOLOGON |
ClientInfoFlags.INFO_DISABLECTRLALTDEL |
ClientInfoFlags.INFO_LOGONERRORS |
ClientInfoFlags.INFO_LOGONNOTIFY |
ClientInfoFlags.INFO_ENABLEWINDOWSKEY |
ClientInfoFlags.INFO_MOUSE |
ClientInfoFlags.INFO_NOAUDIOPLAYBACK |
ClientInfoFlags.INFO_UNICODE);
RdpPacket packet = new RdpPacket();
packet.WriteLittleEndian32(0);
packet.WriteLittleEndian32(num8);
packet.WriteLittleEndian16((short)num3);
packet.WriteLittleEndian16((short)num4);
if ((num8 & 8) != 0)
{
packet.WriteLittleEndian16((short)num5);
}
else
{
packet.WriteLittleEndian16((short)0);
}
packet.WriteLittleEndian16((short)num6);
packet.WriteLittleEndian16((short)num7);
if (0 < num3)
{
packet.WriteUnicodeString(domain);
}
else
{
packet.WriteLittleEndian16((short)0);
}
packet.WriteUnicodeString(username);
if ((num8 & 8) != 0)
{
packet.WriteUnicodeString(password);
}
else
{
packet.WriteLittleEndian16((short)0);
}
if (0 < num6)
{
packet.WriteUnicodeString(command);
}
else
{
packet.WriteLittleEndian16((short)0);
}
if (0 < num7)
{
packet.WriteUnicodeString(directory);
}
else
{
packet.WriteLittleEndian16((short)0);
}
packet.WriteLittleEndian16((short)2);
packet.WriteLittleEndian16((short)(num1 + 2));
packet.WriteUnicodeString("127.0.0.1");
packet.WriteLittleEndian16((short)(num2 + 2));
packet.WriteUnicodeString(@"C:\WINNT\System32\mstscax.dll");
TimeZoneInfo info = TimeZoneInfo.Local;
packet.WriteLittleEndian32((int)info.BaseUtcOffset.TotalMinutes);
packet.WriteUnicodeString(info.StandardName);
packet.Position += 0x3e - (2 * info.StandardName.Length);
if (info.SupportsDaylightSavingTime)
{
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((ushort)10);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)30);
packet.WriteLittleEndian16((short)2);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian32(0);
}
else
{
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian32(0);
}
packet.WriteUnicodeString(info.DaylightName);
packet.Position += 0x3e - (2 * info.DaylightName.Length);
if (info.SupportsDaylightSavingTime)
{
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((ushort)3);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0x1b);
packet.WriteLittleEndian16((short)1);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian32((int)(info.BaseUtcOffset.TotalMinutes + 1.0));
}
else
{
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian32(0);
}
packet.WriteLittleEndianU32(0);
PerformanceFlags flags = (PerformanceFlags)0;
if (!Options.IsHostFlagSet(HostFlags.DesktopBackground))
{
flags |= PerformanceFlags.PERF_DISABLE_WALLPAPER;
}
if (Options.IsHostFlagSet(HostFlags.FontSmoothing))
{
flags |= PerformanceFlags.PERF_ENABLE_FONT_SMOOTHING;
}
if (Options.IsHostFlagSet(HostFlags.DesktopComposition))
{
flags |= PerformanceFlags.PERF_ENABLE_DESKTOP_COMPOSITION;
}
if (!Options.IsHostFlagSet(HostFlags.ShowWindowContents))
{
flags |= PerformanceFlags.PERF_DISABLE_FULLWINDOWDRAG;
}
if (!Options.IsHostFlagSet(HostFlags.MenuAnimation))
{
flags |= PerformanceFlags.PERF_DISABLE_MENUANIMATIONS;
}
if (!Options.IsHostFlagSet(HostFlags.VisualStyles))
{
flags |= PerformanceFlags.PERF_DISABLE_THEMING;
}
packet.WriteLittleEndian32((int)flags);
if (bAutoReconnect)
{
packet.WriteLittleEndian32(0x1c);
packet.WriteLittleEndian32(0x1c);
packet.WriteLittleEndian32(1);
packet.WriteLittleEndian32(Options.LogonID);
HMACT64 hmact = new HMACT64(Options.ReconnectCookie);
hmact.update(Secure.GetClentRandom());
byte[] buffer = hmact.digest();
packet.Write(buffer, 0, buffer.Length);
return(packet);
}
packet.WriteLittleEndian32(0);
return(packet);
}
// Input
internal static void FastSendInput(List <Rdp.InputInfo> InputToSend)
{
if (Options.use_fastpath_input)
{
RdpPacket packet = new RdpPacket();
ushort num = 1;
int count = InputToSend.Count;
if (count < 0x10)
{
packet.WriteByte((byte)(count << 2));
}
else
{
packet.WriteByte(0);
num = (ushort)(num + 1);
}
foreach (Rdp.InputInfo info in InputToSend)
{
switch (info.Message_Type)
{
case Rdp.InputType.INPUT_EVENT_SCANCODE:
num = (ushort)(num + 2);
break;
case Rdp.InputType.INPUT_EVENT_UNICODE:
num = (ushort)(num + 3);
break;
case Rdp.InputType.INPUT_EVENT_MOUSE:
num = (ushort)(num + 7);
break;
case Rdp.InputType.INPUT_EVENT_SYNC:
num = (ushort)(num + 1);
break;
}
}
num = (ushort)(num + 1);
if (num > 0x7f)
{
num = (ushort)(num + 1);
}
packet.WriteEncodedUnsigned16(num);
if (count >= 0x10)
{
packet.WriteByte((byte)count);
}
foreach (Rdp.InputInfo info2 in InputToSend)
{
int num3 = 0;
switch (info2.Message_Type)
{
case Rdp.InputType.INPUT_EVENT_SCANCODE:
if ((info2.Device_Flags & 0x8000) != 0)
{
num3 |= 0x01;
}
if ((info2.Device_Flags & 0x0100) != 0)
{
num3 |= 0x02;
}
packet.WriteByte((byte)num3);
packet.WriteByte((byte)info2.Param1);
break;
case Rdp.InputType.INPUT_EVENT_UNICODE:
if ((info2.Device_Flags & 0x8000) != 0)
{
num3 |= 1;
}
packet.WriteByte((byte)(0x80 | num3));
packet.WriteLittleEndian16((ushort)info2.Param1);
break;
case Rdp.InputType.INPUT_EVENT_MOUSE:
packet.WriteByte(0x20);
packet.WriteLittleEndian16((ushort)info2.Device_Flags);
packet.WriteLittleEndian16((ushort)info2.Param1);
packet.WriteLittleEndian16((ushort)info2.Param2);
break;
case Rdp.InputType.INPUT_EVENT_SYNC:
packet.WriteByte(0x60);
break;
}
}
Write(packet);
}
else
{
foreach (Rdp.InputInfo info3 in InputToSend)
{
SlowSendInput(info3.Time, (int)info3.Message_Type, info3.Device_Flags, info3.Param1, info3.Param2);
}
}
}
public static void ProcessFastPathUpdate(RdpPacket packet)
{
while (packet.Length - packet.Position > 3L)
{
int num = packet.ReadByte();
FastPathUpdate.UpdateCode updateCode = (FastPathUpdate.UpdateCode)(num & 15);
FastPathUpdate.Fragmentation fragmentation = (FastPathUpdate.Fragmentation)(num >> 4 & 3);
bool flag = (num & 128) != 0;
if (flag)
{
packet.ReadByte();
}
if (fragmentation != FastPathUpdate.Fragmentation.FASTPATH_FRAGMENT_SINGLE)
{
throw new RDFatalException("Invalid fragmentation!");
}
int littleEndian = packet.ReadLittleEndian16();
switch (updateCode)
{
case FastPathUpdate.UpdateCode.FASTPATH_UPDATETYPE_ORDERS:
{
int littleEndian2 = packet.ReadLittleEndian16();
Orders.processOrders(packet, (int)packet.Position + littleEndian - 2, littleEndian2);
break;
}
case FastPathUpdate.UpdateCode.FASTPATH_UPDATETYPE_BITMAP:
{
int littleEndian3 = packet.ReadLittleEndian16();
if (littleEndian3 != 1)
{
throw new RDFatalException("Invalid fastpath bitmap update!");
}
Bitmaps.processBitmapUpdates(packet);
break;
}
case FastPathUpdate.UpdateCode.FASTPATH_UPDATETYPE_PALETTE:
{
int littleEndian3 = packet.ReadLittleEndian16();
if (littleEndian3 != 2)
{
throw new RDFatalException("Invalid fastpath palette update!");
}
Palette.processPalette(packet);
break;
}
case FastPathUpdate.UpdateCode.FASTPATH_UPDATETYPE_SYNCHRONIZE:
packet.Position = packet.Position + (long)littleEndian;
break;
case FastPathUpdate.UpdateCode.FASTPATH_UPDATETYPE_SURFCMDS:
packet.Position = packet.Position + (long)littleEndian;
break;
case FastPathUpdate.UpdateCode.FASTPATH_UPDATETYPE_PTR_NULL:
packet.Position = packet.Position + (long)littleEndian;
break;
case FastPathUpdate.UpdateCode.FASTPATH_UPDATETYPE_PTR_DEFAULT:
packet.Position = packet.Position + (long)littleEndian;
break;
case FastPathUpdate.UpdateCode.FASTPATH_UPDATETYPE_PTR_POSITION:
packet.Position = packet.Position + (long)littleEndian;
break;
case FastPathUpdate.UpdateCode.FASTPATH_UPDATETYPE_COLOR:
packet.Position = packet.Position + (long)littleEndian;
break;
case FastPathUpdate.UpdateCode.FASTPATH_UPDATETYPE_CACHED:
packet.Position = packet.Position + (long)littleEndian;
break;
case FastPathUpdate.UpdateCode.FASTPATH_UPDATETYPE_POINTER:
packet.Position = packet.Position + (long)littleEndian;
break;
}
}
}
public static byte[] decompress(int width, int height, int size, RdpPacket data, int Bpp)
{
byte[] buffer = new byte[size];
data.Read(buffer, 0, size);
int startOffset = 0;
int startlocation = 0;
int num3 = 0;
int num4 = 0;
int num5 = size;
int num6 = 0;
int num7 = 0;
int num8 = 0;
int offset = width;
int num10 = -1;
int num11 = 0;
int num12 = 0;
int num13 = 0;
int num14 = 0;
byte num15 = 0;
int num16 = 0;
uint maxValue = uint.MaxValue;
bool flag = false;
bool flag2 = false;
bool flag3 = false;
byte[] input = new byte[width * height];
while (num3 < num5)
{
num11 = 0;
num12 = buffer[num3++] & 0xff;
num6 = num12 >> 4;
switch (num6)
{
case 12:
case 13:
case 14:
num6 -= 6;
num7 = num12 & 15;
num8 = 0x10;
goto Label_00F8;
case 15:
num6 = num12 & 15;
if (num6 >= 9)
{
break;
}
num7 = buffer[num3++] & 0xff;
num7 |= (buffer[num3++] & 0xff) << 8;
goto Label_00F5;
default:
num6 = num6 >> 1;
num7 = num12 & 0x1f;
num8 = 0x20;
goto Label_00F8;
}
num7 = (num6 < 11) ? 8 : 1;
Label_00F5:
num8 = 0;
Label_00F8:
if (num8 != 0)
{
flag3 = (num6 == 2) || (num6 == 7);
if (num7 == 0)
{
if (flag3)
{
num7 = (buffer[num3++] & 0xff) + 1;
}
else
{
num7 = (buffer[num3++] & 0xff) + num8;
}
}
else if (flag3)
{
num7 = num7 << 3;
}
}
switch (num6)
{
case 0:
if ((num10 == num6) && ((offset != width) || (startOffset != 0)))
{
flag = true;
}
break;
case 3:
num14 = buffer[num3++] & 0xff;
break;
case 6:
case 7:
maxValue = buffer[num3++];
num6 -= 5;
break;
case 8:
num13 = buffer[num3++] & 0xff;
num14 = buffer[num3++] & 0xff;
break;
case 9:
num16 = 3;
num6 = 2;
num11 = 3;
break;
case 10:
num16 = 5;
num6 = 2;
num11 = 5;
break;
}
num10 = num6;
num15 = 0;
while (num7 > 0)
{
int num18;
int num19;
int num20;
int num21;
int num22;
int num23;
int num24;
int num25;
int num26;
int num27;
int num28;
if (offset >= width)
{
if (height <= 0)
{
throw new RDFatalException("Decompressing bitmap failed! Height = " + height.ToString());
}
offset = 0;
height--;
startOffset = startlocation;
startlocation = num4 + (height * width);
}
switch (num6)
{
case 0:
if (!flag)
{
goto Label_02CE;
}
if (startOffset != 0)
{
break;
}
input[startlocation + offset] = (byte)maxValue;
goto Label_02BF;
case 1:
if (startOffset == 0)
{
goto Label_03BC;
}
goto Label_0429;
case 2:
if (startOffset == 0)
{
goto Label_04C7;
}
goto Label_0596;
case 3:
goto Label_0634;
case 4:
goto Label_0696;
case 8:
goto Label_0714;
case 13:
goto Label_0790;
case 14:
goto Label_07E8;
default:
throw new RDFatalException("Incorrect decompress opcode " + num6.ToString());
}
input[startlocation + offset] = (byte)(input[startOffset + offset] ^ ((byte)maxValue));
Label_02BF:
flag = false;
num7--;
offset++;
Label_02CE:
if (startOffset == 0)
{
goto Label_02FA;
}
goto Label_035A;
Label_02D6:
num28 = 0;
while (num28 < 8)
{
input[startlocation + offset] = 0;
num7--;
offset++;
num28++;
}
Label_02FA:
if (((num7 & -8) != 0) && ((offset + 8) < width))
{
goto Label_02D6;
}
while ((num7 > 0) && (offset < width))
{
input[startlocation + offset] = 0;
num7--;
offset++;
}
continue;
Label_0330:
num18 = 0;
while (num18 < 8)
{
input[startlocation + offset] = input[startOffset + offset];
num7--;
offset++;
num18++;
}
Label_035A:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_0384;
}
goto Label_0330;
Label_036A:
input[startlocation + offset] = input[startOffset + offset];
num7--;
offset++;
Label_0384:
if ((num7 > 0) && (offset < width))
{
goto Label_036A;
}
continue;
Label_0396:
num19 = 0;
while (num19 < 8)
{
input[startlocation + offset] = (byte)maxValue;
num7--;
offset++;
num19++;
}
Label_03BC:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_03E2;
}
goto Label_0396;
Label_03CC:
input[startlocation + offset] = (byte)maxValue;
num7--;
offset++;
Label_03E2:
if ((num7 > 0) && (offset < width))
{
goto Label_03CC;
}
continue;
Label_03F4:
num20 = 0;
while (num20 < 8)
{
setli(input, startlocation, offset, getli(input, startOffset, offset, 1) ^ maxValue, 1);
num7--;
offset++;
num20++;
}
Label_0429:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_045E;
}
goto Label_03F4;
Label_0439:
setli(input, startlocation, offset, getli(input, startOffset, offset, 1) ^ maxValue, 1);
num7--;
offset++;
Label_045E:
if ((num7 > 0) && (offset < width))
{
goto Label_0439;
}
continue;
Label_0470:
num21 = 0;
while (num21 < 8)
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? ((byte)num11) : buffer[num3++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
input[startlocation + offset] = (byte)maxValue;
}
else
{
input[startlocation + offset] = 0;
}
num7--;
offset++;
num21++;
}
Label_04C7:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_051E;
}
goto Label_0470;
Label_04D7:
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? ((byte)num11) : buffer[num3++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
input[startlocation + offset] = (byte)maxValue;
}
else
{
input[startlocation + offset] = 0;
}
num7--;
offset++;
Label_051E:
if ((num7 > 0) && (offset < width))
{
goto Label_04D7;
}
continue;
Label_0530:
num22 = 0;
while (num22 < 8)
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? ((byte)num11) : buffer[num3++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
input[startlocation + offset] = (byte)(input[startOffset + offset] ^ ((byte)maxValue));
}
else
{
input[startlocation + offset] = input[startOffset + offset];
}
num7--;
offset++;
num22++;
}
Label_0596:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_05FC;
}
goto Label_0530;
Label_05A6:
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? ((byte)num11) : buffer[num3++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
input[startlocation + offset] = (byte)(input[startOffset + offset] ^ ((byte)maxValue));
}
else
{
input[startlocation + offset] = input[startOffset + offset];
}
num7--;
offset++;
Label_05FC:
if ((num7 > 0) && (offset < width))
{
goto Label_05A6;
}
continue;
Label_060E:
num23 = 0;
while (num23 < 8)
{
input[startlocation + offset] = (byte)num14;
num7--;
offset++;
num23++;
}
Label_0634:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_065A;
}
goto Label_060E;
Label_0644:
input[startlocation + offset] = (byte)num14;
num7--;
offset++;
Label_065A:
if ((num7 > 0) && (offset < width))
{
goto Label_0644;
}
continue;
Label_066C:
num24 = 0;
while (num24 < 8)
{
input[startlocation + offset] = buffer[num3++];
num7--;
offset++;
num24++;
}
Label_0696:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_06C0;
}
goto Label_066C;
Label_06A6:
input[startlocation + offset] = buffer[num3++];
num7--;
offset++;
Label_06C0:
if ((num7 > 0) && (offset < width))
{
goto Label_06A6;
}
continue;
Label_06D2:
num25 = 0;
while (num25 < 8)
{
if (flag2)
{
input[startlocation + offset] = (byte)num14;
flag2 = false;
}
else
{
input[startlocation + offset] = (byte)num13;
flag2 = true;
num7++;
}
num7--;
offset++;
num25++;
}
Label_0714:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_0756;
}
goto Label_06D2;
Label_0724:
if (flag2)
{
input[startlocation + offset] = (byte)num14;
flag2 = false;
}
else
{
input[startlocation + offset] = (byte)num13;
flag2 = true;
num7++;
}
num7--;
offset++;
Label_0756:
if ((num7 > 0) && (offset < width))
{
goto Label_0724;
}
continue;
Label_0768:
num26 = 0;
while (num26 < 8)
{
input[startlocation + offset] = 0xff;
num7--;
offset++;
num26++;
}
Label_0790:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_07B8;
}
goto Label_0768;
Label_07A0:
input[startlocation + offset] = 0xff;
num7--;
offset++;
Label_07B8:
if ((num7 > 0) && (offset < width))
{
goto Label_07A0;
}
continue;
Label_07C4:
num27 = 0;
while (num27 < 8)
{
input[startlocation + offset] = 0;
num7--;
offset++;
num27++;
}
Label_07E8:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_080C;
}
goto Label_07C4;
Label_07F8:
input[startlocation + offset] = 0;
num7--;
offset++;
Label_080C:
if ((num7 > 0) && (offset < width))
{
goto Label_07F8;
}
}
}
_g++;
return(input);
}
private static void processSecondaryOrders(RdpPacket data)
{
int num = 0;
int num2 = 0;
int num3 = 0;
num = data.ReadLittleEndian16();
int extraFlags = data.ReadLittleEndian16();
num2 = data.ReadByte();
num3 = (((int)data.Position) + num) + 7;
switch (num2)
{
case 0:
// Raw BitmapCache Order
processBitmapCache(data, false, false);
goto Label_019B;
case 1:
// ColourCache Order
processColorCache(data);
goto Label_019B;
case 2:
// BitmapCache Order
processBitmapCache(data, true, (extraFlags & 0x400) != 0);
goto Label_019B;
case 3:
// FontCache Order
processFontCache(data, extraFlags);
goto Label_019B;
case 4:
// Raw BitmapCacheV2 Order
try
{
process_bmpcache2(data, extraFlags, false);
goto Label_019B;
}
catch (IOException exception)
{
throw new RDFatalException(exception.Message);
}
break;
case 5:
break;
case 7:
goto Label_0132;
case 8:
goto Label_015C;
default:
goto Label_0185;
}
// BitmapCacheV2 Order
try
{
process_bmpcache2(data, extraFlags, true);
goto Label_019B;
}
catch (IOException exception2)
{
throw new RDFatalException(exception2.Message);
}
Label_0132:
try
{
// BrushCache Order
process_bmpcache2(data, extraFlags, true);
goto Label_019B;
}
catch (IOException exception3)
{
throw new RDFatalException(exception3.Message);
}
Label_015C:
try
{
// BitmapCacheV3 Order
process_bmpcache3(data, extraFlags);
goto Label_019B;
}
catch (IOException exception4)
{
throw new RDFatalException(exception4.Message);
}
Label_0185:
throw new RDFatalException("Unsupported secondary order: " + num2);
Label_019B:
if (data.Position > num3)
{
throw new Exception("Secondary Order overflow!");
}
data.Position = num3;
}
public static uint[] decompressInt(int width, int height, int size, RdpPacket data, int Bpp)
{
byte[] buffer = new byte[size];
data.Read(buffer, 0, size);
int num = -1;
int num2 = 0;
int offset = 0;
int num4 = 0;
int num5 = size;
int num6 = 0;
uint num7 = 0;
int num8 = 0;
int num9 = width;
int num10 = -1;
int num11 = 0;
int num12 = 0;
uint num13 = 0;
uint num14 = 0;
byte num15 = 0;
int num16 = 0;
uint maxValue = uint.MaxValue;
bool flag = false;
bool flag2 = false;
bool flag3 = false;
uint[] numArray = new uint[width * height];
try
{
while (offset < num5)
{
num11 = 0;
num12 = buffer[offset++] & 0xff;
num6 = num12 >> 4;
switch (num6)
{
case 12:
case 13:
case 14:
num6 -= 6;
num7 = (uint)(num12 & 15);
num8 = 0x10;
goto Label_00F8;
case 15:
num6 = num12 & 15;
if (num6 >= 9)
{
break;
}
num7 = (uint)(buffer[offset++] & 0xff);
num7 |= (uint)((buffer[offset++] & 0xff) << 8);
goto Label_00E2;
default:
num6 = num6 >> 1;
num7 = (uint)(num12 & 0x1f);
num8 = 0x20;
goto Label_00F8;
}
num7 = (uint)(num6 < 11 ? 8 : 1);
Label_00E2:
num8 = 0;
Label_00F8:
if (num8 != 0)
{
flag3 = (num6 == 2) || (num6 == 7);
if (num7 == 0)
{
if (flag3)
{
num7 = (uint)((buffer[offset++] & 0xff) + 1);
}
else
{
num7 = (uint)((buffer[offset++] & 0xff) + num8);
}
}
else if (flag3)
{
num7 = num7 << 3;
}
}
switch (num6)
{
case 0:
if ((num10 == num6) && ((num9 != width) || (num != -1)))
{
flag = true;
}
goto Label_01DF;
case 3:
break;
case 6:
case 7:
maxValue = cvalx(buffer, offset, Bpp);
offset += Bpp;
num6 -= 5;
goto Label_01DF;
case 8:
num13 = cvalx(buffer, offset, Bpp);
offset += Bpp;
break;
case 9:
num16 = 3;
num6 = 2;
num11 = 3;
goto Label_01DF;
case 10:
num16 = 5;
num6 = 2;
num11 = 5;
goto Label_01DF;
default:
goto Label_01DF;
}
num14 = cvalx(buffer, offset, Bpp);
offset += Bpp;
Label_01DF:
num10 = num6;
num15 = 0;
while (num7 > 0)
{
int num19;
int num20;
int num21;
int num22;
int num23;
int num24;
int num25;
int num26;
int num27;
int num28;
if (num9 >= width)
{
if (height <= 0)
{
throw new RDFatalException("Illegal int bitmap height: " + height.ToString());
}
num9 = 0;
height--;
num = num2;
num2 = num4 + (height * width);
}
switch (num6)
{
case 0:
if (!flag)
{
goto Label_029B;
}
if (num != -1)
{
break;
}
numArray[num2 + num9] = maxValue;
goto Label_028C;
case 1:
if (num != -1)
{
goto Label_0402;
}
goto Label_039A;
case 2:
if (num != -1)
{
goto Label_0571;
}
goto Label_04A3;
case 3:
goto Label_060F;
case 4:
goto Label_067B;
case 8:
goto Label_0702;
case 13:
goto Label_0780;
case 14:
goto Label_07DC;
default:
throw new RDFatalException("Illegal int bitmap opcode in " + num6.ToString());
}
numArray[num2 + num9] = numArray[num + num9] ^ maxValue;
Label_028C:
flag = false;
num7--;
num9++;
Label_029B:
if (num != -1)
{
goto Label_032C;
}
while (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
for (int i = 0; i < 8; i++)
{
numArray[num2 + num9] = 0;
num7--;
num9++;
}
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = 0;
num7--;
num9++;
}
continue;
Label_0302:
num19 = 0;
while (num19 < 8)
{
numArray[num2 + num9] = numArray[num + num9];
num7--;
num9++;
num19++;
}
Label_032C:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_0302;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = numArray[num + num9];
num7--;
num9++;
}
continue;
Label_0375:
num20 = 0;
while (num20 < 8)
{
numArray[num2 + num9] = maxValue;
num7--;
num9++;
num20++;
}
Label_039A:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_0375;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = maxValue;
num7--;
num9++;
}
continue;
Label_03D5:
num21 = 0;
while (num21 < 8)
{
numArray[num2 + num9] = numArray[num + num9] ^ maxValue;
num7--;
num9++;
num21++;
}
Label_0402:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_03D5;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = numArray[num + num9] ^ maxValue;
num7--;
num9++;
}
continue;
Label_044E:
num22 = 0;
while (num22 < 8)
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? num11 : buffer[offset++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
numArray[num2 + num9] = maxValue;
}
else
{
numArray[num2 + num9] = 0;
}
num7--;
num9++;
num22++;
}
Label_04A3:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_044E;
}
while ((num7 > 0) && (num9 < width))
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? num11 : buffer[offset++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
numArray[num2 + num9] = maxValue;
}
else
{
numArray[num2 + num9] = 0;
}
num7--;
num9++;
}
continue;
Label_050E:
num23 = 0;
while (num23 < 8)
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? num11 : buffer[offset++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
numArray[num2 + num9] = numArray[num + num9] ^ maxValue;
}
else
{
numArray[num2 + num9] = numArray[num + num9];
}
num7--;
num9++;
num23++;
}
Label_0571:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_050E;
}
while ((num7 > 0) && (num9 < width))
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? num11 : buffer[offset++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
numArray[num2 + num9] = numArray[num + num9] ^ maxValue;
}
else
{
numArray[num2 + num9] = numArray[num + num9];
}
num7--;
num9++;
}
continue;
Label_05EA:
num24 = 0;
while (num24 < 8)
{
numArray[num2 + num9] = num14;
num7--;
num9++;
num24++;
}
Label_060F:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_05EA;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = num14;
num7--;
num9++;
}
continue;
Label_064A:
num25 = 0;
while (num25 < 8)
{
numArray[num2 + num9] = cvalx(buffer, offset, Bpp);
offset += Bpp;
num7--;
num9++;
num25++;
}
Label_067B:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_064A;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = cvalx(buffer, offset, Bpp);
offset += Bpp;
num7--;
num9++;
}
continue;
Label_06C2:
num26 = 0;
while (num26 < 8)
{
if (flag2)
{
numArray[num2 + num9] = num14;
flag2 = false;
}
else
{
numArray[num2 + num9] = num13;
flag2 = true;
num7++;
}
num7--;
num9++;
num26++;
}
Label_0702:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_06C2;
}
while ((num7 > 0) && (num9 < width))
{
if (flag2)
{
numArray[num2 + num9] = num14;
flag2 = false;
}
else
{
numArray[num2 + num9] = num13;
flag2 = true;
num7++;
}
num7--;
num9++;
}
continue;
Label_0758:
num27 = 0;
while (num27 < 8)
{
numArray[num2 + num9] = 0xffffff;
num7--;
num9++;
num27++;
}
Label_0780:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_0758;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = 0xffffff;
num7--;
num9++;
}
continue;
Label_07B8:
num28 = 0;
while (num28 < 8)
{
numArray[num2 + num9] = 0;
num7--;
num9++;
num28++;
}
Label_07DC:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_07B8;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = 0;
num7--;
num9++;
}
}
}
}
catch
{
}
return(numArray);
}
private static void process_bmpcache2(RdpPacket data, int flags, bool compressed)
{
RdpBitmap bitmap;
int num3;
int num4;
byte[] buffer;
ulong key = 0L;
int num2 = flags & 7;
int bpp = ((flags & 0x38) >> 3) - 2;
if ((flags & 0x800) != 0)
{
throw new RDFatalException("DO_NOT_CACHE flag not supported!");
}
if ((flags & 0x100) != 0)
{
byte[] buffer2 = new byte[8];
data.Read(buffer2, 0, buffer2.Length);
key = BitConverter.ToUInt64(buffer2, 0);
}
if ((flags & 0x80) != 0)
{
num3 = data.ReadEncodedUnsigned16();
num4 = num3;
}
else
{
num3 = data.ReadEncodedUnsigned16();
num4 = data.ReadEncodedUnsigned16();
}
int size = data.ReadEncoded32();
int num6 = data.ReadEncodedUnsigned16();
if (compressed)
{
if ((flags & 0x400) == 0)
{
data.Position += 8L;
size -= 8;
}
if (bpp == 1)
{
buffer = RdpBitmap.decompress(num3, num4, size, data, bpp);
if (buffer == null)
{
return;
}
bitmap = new RdpBitmap(buffer, num3, num4, bpp, 0, 0);
}
else
{
uint[] numArray = RdpBitmap.decompressInt(num3, num4, size, data, bpp);
if (numArray == null)
{
return;
}
bitmap = new RdpBitmap(numArray, num3, num4, bpp, 0, 0);
}
}
else
{
buffer = new byte[(num3 * num4) * bpp];
for (int i = 0; i < num4; i++)
{
data.Read(buffer, ((num4 - i) - 1) * (num3 * bpp), num3 * bpp);
}
if (bpp == 1)
{
bitmap = new RdpBitmap(buffer, num3, num4, bpp, 0, 0);
}
else
{
bitmap = new RdpBitmap(RdpBitmap.convertImage(buffer, bpp), num3, num4, bpp, 0, 0);
}
}
if (bitmap != null)
{
Cache.putBitmap(num2, num6, bitmap, 0);
if ((flags & 0x100) != 0)
{
bitmap.PersistCache(key);
Cache.m_BitmapCaches++;
}
}
}
internal static void processRedirection(RdpPacket data, bool bStdRedirect)
{
if (!bStdRedirect)
{
data.ReadLittleEndian16();
}
data.ReadLittleEndian16();
data.ReadLittleEndian16();
Options.sessionID = data.ReadLittleEndian32();
int num = data.ReadLittleEndian32();
if ((num & 1) != 0)
{
Options.Host = data.ReadUnicodeString();
}
byte[] buffer = null;
if ((num & 2) != 0)
{
int count = data.ReadLittleEndian32();
buffer = new byte[count];
data.Read(buffer, 0, count);
}
if ((num & 4) != 0)
{
Options.Username = data.ReadUnicodeString();
}
if ((num & 8) != 0)
{
Options.Domain = data.ReadUnicodeString();
}
if ((num & 0x10) != 0)
{
Options.Password = data.ReadUnicodeString();
}
if ((num & 0x200) != 0)
{
Options.Host = data.ReadUnicodeString();
}
if ((num & 0x100) != 0)
{
Options.Host = data.ReadUnicodeString();
}
if (!string.IsNullOrEmpty(Options.Domain))
{
Options.DomainAndUsername = Options.Domain + @"\" + Options.Username;
}
else
{
Options.DomainAndUsername = Options.Username;
}
if ((num & 0x80) == 0)
{
Network.Close();
Licence.Reset();
Network.Connect(Options.Host, Options.Port);
MCS.sendСonnectionRequest(buffer, false);
}
}
private static void processBitmapCache(RdpPacket data, bool bCompressed, bool bNoCompressionHdr)
{
int num2;
int num = num2 = 0;
int num3 = data.ReadByte();
data.ReadByte();
int width = data.ReadByte();
int height = data.ReadByte();
int bpp = (data.ReadByte() + 7) / 8;
num = data.ReadLittleEndian16();
int num8 = data.ReadLittleEndian16();
if (!bCompressed)
{
byte[] buffer = new byte[(width * height) * bpp];
int offset = (height - 1) * (width * bpp);
for (int i = 0; i < height; i++)
{
data.Read(buffer, offset, width * bpp);
offset -= width * bpp;
}
Cache.putBitmap(num3, num8, new RdpBitmap(buffer, width, height, bpp, 0, 0), 0);
}
else
{
if (!bNoCompressionHdr)
{
data.ReadLittleEndian16();
num2 = data.ReadLittleEndian16();
data.ReadLittleEndian16();
data.ReadLittleEndian16();
}
else
{
num2 = num;
}
if (bpp == 1)
{
byte[] buffer2 = RdpBitmap.decompress(width, height, num2, data, bpp);
if (buffer2 != null)
{
Cache.putBitmap(num3, num8, new RdpBitmap(buffer2, width, height, bpp, 0, 0), 0);
}
}
else
{
uint[] numArray = RdpBitmap.decompressInt(width, height, num2, data, bpp);
if (numArray != null)
{
Cache.putBitmap(num3, num8, new RdpBitmap(numArray, width, height, bpp, 0, 0), 0);
}
}
}
}
internal static void processServerCapabilities(RdpPacket data, int numCaps)
{
m_bServerSupportsCacheV2 = false;
while (numCaps-- > 0)
{
int num = data.ReadLittleEndian16();
int num2 = data.ReadLittleEndian16();
switch ((Capstype)num)
{
// RDP_CAPSET_GENERAL
case Capstype.CAPSTYPE_GENERAL:
{
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadByte();
num2--;
int num3 = data.ReadByte();
num2--;
Options.suppress_output_supported = num3 > 0;
break;
}
// RDP_CAPSET_BITMAP
case Capstype.CAPSTYPE_BITMAP:
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
data.ReadLittleEndian16();
num2 -= 2;
break;
// RDP_CAPSET_ORDER
case Capstype.CAPSTYPE_ORDER:
break;
// RDP_CAPSET_BMPCACHE
case Capstype.CAPSTYPE_BITMAPCACHE:
break;
// RDP_CAPSET_CONTROL
case Capstype.CAPSTYPE_CONTROL:
break;
// RDP_CAPSET_POINTER
case Capstype.CAPSTYPE_POINTER:
break;
// RDP_CAPSET_SHARE
case Capstype.CAPSTYPE_SHARE:
break;
// RDP_CAPSET_COLCACHE
case Capstype.CAPSTYPE_COLCACHE:
break;
// RDP_CAPSET_INPUT
case Capstype.CAPSTYPE_INPUT:
{
int num4 = data.ReadLittleEndian16(); // inputFlags
num2 -= 2;
//Options.use_fastpath_input = false; // Полностью отключаем FastPath Input
//if ((num4 & 0x20) != 0)
//{
// Options.use_fastpath_input = true;
//}
//if ((num4 & 8) != 0)
//{
// Options.use_fastpath_input = true;
//}
break;
}
// RDP_CAPSET_FONT
case Capstype.CAPSTYPE_FONT:
break;
// RDP_CAPSET_BMPCACHE_HOSTSUPPORT
case Capstype.CAPSTYPE_BITMAPCACHE_HOSTSUPPORT:
m_bServerSupportsCacheV2 = true;
break;
// RDP_CAPSET_VIRTUALCHANNEL
case Capstype.CAPSTYPE_VIRTUALCHANNEL:
break;
// RDP_CAPSET_COMPDESK
case Capstype.CAPSETTYPE_COMPDESK:
break;
// RDP_CAPSET_MULTIFRAGMENTUPDATE
case Capstype.CAPSETTYPE_MULTIFRAGMENTUPDATE:
break;
// RDP_CAPSET_LARGE_POINTER
case Capstype.CAPSETTYPE_LARGE_POINTER:
break;
// RDP_CAPSET_SURFACE_COMMANDS
case Capstype.CAPSETTYPE_SURFACE_COMMANDS:
break;
// RDP_CAPSET_BITMAP_CODECS
case Capstype.CAPSETTYPE_BITMAP_CODECS:
break;
// RDP_CAPSET unknown
default:
break;
}
data.Position += num2 - 4;
}
if (!m_bServerSupportsCacheV2)
{
Options.persistentBmpCache = false;
}
}
public static void processOrders(RdpPacket data, int next_packet, int n_orders)
{
int present = 0;
int flags = 0;
int size = 0;
long position = data.Position;
for (int i = 0; i < n_orders; i++)
{
flags = data.ReadByte();
if ((flags & 1) == 0)
{
throw new RDFatalException("Bad order flags: " + flags.ToString() + "!");
}
if ((flags & 2) != 0)
{
// processSecondaryOrders
processSecondaryOrders(data);
continue;
}
if ((flags & 8) != 0)
{
m_OrderType = data.ReadByte();
}
switch (m_OrderType)
{
case 0x18:
case 9:
case 13:
case 0x10:
case 0x11:
case 0x12:
case 0x13:
case 1:
size = 2;
break;
case 0x1b:
case 14:
size = 3;
break;
default:
size = 1;
break;
}
present = inPresent(data, flags, size);
if ((flags & 4) != 0)
{
if ((flags & 0x20) == 0)
{
// parseBounds
parseBounds(data);
}
Options.BoundsLeft = SurfaceClip.Left;
Options.BoundsRight = SurfaceClip.Right;
Options.BoundsTop = SurfaceClip.Top;
Options.BoundsBottom = SurfaceClip.Bottom;
}
bool delta = (flags & 0x10) != 0;
switch (m_OrderType)
{
case 0:
// processDestBlt
processDestBlt(data, present, delta);
break;
case 1:
// processPatBlt
processPatBlt(data, present, delta);
break;
case 2:
// processScreenBlt
processScreenBlt(data, present, delta);
break;
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 12:
return;
case 9:
// processLine
processLine(data, present, delta);
break;
case 10:
// processRect
processRectangle(data, present, delta);
break;
case 11:
// processDeskSave
processDeskSave(data, present, delta);
break;
case 13:
// processMemBlt
processMemBlt(data, present, delta);
break;
case 14:
// processTriBlt
processTriBlt(data, present, delta);
break;
case 15:
// processMultiDestBlt
processMultiDestBlt(data, present, delta);
break;
case 0x10:
// processMultiPatBlt
processMultiPatBlt(data, present, delta);
break;
case 0x11:
// processMultiScreenBlt
processMultiScreenBlt(data, present, delta);
break;
case 0x12:
processMultiRectangle(data, present, delta);
break;
case 0x16:
// processPolyLine
processPolyLine(data, present, delta);
break;
case 0x1b:
// processGlyphIndex
processGlyphIndex(data, present, delta);
break;
default:
// processOrders unknown type
return;
}
if ((flags & 4) != 0)
{
Options.BoundsLeft = 0;
Options.BoundsRight = Options.width - 1;
Options.BoundsTop = 0;
Options.BoundsBottom = Options.height - 1;
}
}
if (data.Position != next_packet)
{
throw new RDFatalException("Bad order packet!");
}
}
protected static void WriteTag(RdpPacket packet, int Tag, string Identifier)
{
WriteByte(packet, Tag);
WriteLength(packet, Identifier);
}
